Modbury High School
Updated Oct 2026 · ACARA 2025Modbury, South Australia 5092 · Tea Tree Gully LGA
About Modbury High School
Modbury High School is a public high school located in Modbury, South Australia (5092), within the Tea Tree Gully local government area. It caters for students from U, 7 to 12 and in 2025 enrolled 926 students (394 girls and 532 boys).
Modbury High School has an ICSEA value of 1005, indicating a socio-educational profile close to the national average of 1000. That places it in the 49th percentile of Australian schools. 11% of students come from the top socio-educational quarter and 33% from the bottom quarter.
The school employs 71 teachers (66.4 full-time equivalent) and 45 non-teaching staff, giving a student-to-teacher ratio of about 13.9 to 1. Enrolments have grown by 24% over the past five years.
On the Success Index, Modbury High School scores 45.5 out of 100, placing it in the lower 50% of secondary schools nationally and 42nd of 84 secondary schools in SA (3rd of 5 in the Tea Tree Gully area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 1005
- Students in the top advantage quarter (15%)11% of students
- Teacher resourcing (students per teacher) (15%)13.9 students per teacher
- Enrolment growth vs local area (5 years) (10%)+24% enrolments since 2020 (area median +24%)
- ICSEA trend (5 years) (10%)-1 ICSEA points since 2020
The Success Index summarises the academic environment of a school community using official ACARA data. It is not a measure of teaching quality or student results. Read the methodology.
Student profile
Distribution of students across socio-educational advantage (SEA) quarters, plus community characteristics.
Enrolments by year level
How Modbury High School's 926 students are spread across year levels in 2025.
Enrolment trend
How enrolments at Modbury High School have changed over the past decade.
Free academic assessment
Is your child on track at Modbury High School?
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Schools near Modbury High School
Closest schools by straight-line distance, with their Success Index.
Modbury South Primary School
Hope Valley · Government primary · U, R-6
179 students · ICSEA 1011 · 393 m away
Modbury Special School
Hope Valley · Government special · U
166 students · ICSEA 997 · 393 m away
Torrens Valley Christian School
Hope Valley · Independent combined · R-12
565 students · ICSEA 1085 · 775 m away
Ardtornish Primary School
St Agnes · Government primary · R-6
462 students · ICSEA 1044 · 779 m away
Modbury School P-6
Modbury North · Government primary · U, R-6
172 students · ICSEA 1026 · 1.3 km away
Highbury Primary School
Hope Valley · Government primary · U, R-6
499 students · ICSEA 1054 · 1.7 km away
Modbury West School
Modbury · Government primary · R-6
264 students · ICSEA 1020 · 1.9 km away
St Agnes School P - 6
St Agnes · Government primary · R-6
251 students · ICSEA 1039 · 2.1 km away
Ridgehaven Primary School
Ridgehaven · Government primary · U, R-6
222 students · ICSEA 983 · 2.4 km away
Redwood Park Primary School
Redwood Park · Government primary · R-6
368 students · ICSEA 1032 · 2.4 km away
Similar schools
Government secondary schools in SA with a comparable ICSEA.
Golden Grove High School
Golden Grove · Government high school · U, 7-12
1,486 students · ICSEA 1007
Seaton High School
Seaton · Government high school · U, 7-12
917 students · ICSEA 1001
Banksia Park International High School
Banksia Park · Government high school · 7-12
1,055 students · ICSEA 1009
Mount Barker High School
Mount Barker · Government high school · U, 7-12
1,061 students · ICSEA 1010
Underdale High School
Underdale · Government high school · 7-12
629 students · ICSEA 1000
Birdwood High School
Birdwood · Government high school · 7-12
555 students · ICSEA 996
Frequently asked questions
Is Modbury High School a public or private school?
Modbury High School is a public (government) school run by the South Australia education department.
What year levels does Modbury High School offer?
Modbury High School offers U, 7 to 12. It is classified by ACARA as a secondary school.
How many students attend Modbury High School?
In 2025, Modbury High School had 926 enrolled students (394 girls, 532 boys), a change of 24% over five years.
What is the ICSEA of Modbury High School?
Modbury High School has an ICSEA (Index of Community Socio-Educational Advantage) of 1005. The national average is 1000, so this indicates a socio-educational profile close to the national average of 1000. ICSEA reflects the school community, not teaching quality.
How does Modbury High School rank in SA?
Modbury High School ranks 42nd of 84 secondary schools in South Australia on the Success Index (45.5/100), and 837th of 1,472 nationally.
What is the student-to-teacher ratio at Modbury High School?
Modbury High School has about 13.9 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at Modbury High School?
In 2025, Modbury High School had 176 students in Year 7 and 150 in Year 12.
Is Modbury High School co-ed?
Yes. Modbury High School is a co-educational school enrolling both girls and boys.
What other schools are near Modbury High School?
There are 10 other schools within 15 km of Modbury High School in our database. Scroll up to the "Nearby schools" section to compare them by Success Index, ICSEA and enrolments, or use the Compare tool.
Where can I get tutoring near Modbury High School?
The closest Success Tutoring centre is Success Tutoring Windsor Gardens, about 5.3 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.